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INSTALLATION
Maintenance
14. Maintenance
WARNING Electrocution
Before any work on the appliance, disconnect all poles
of the appliance from the power supply.
f Dismantle the appliance for maintenance work.
f
14.1 Draining the appliance
WARNING Burns
Hot water may escape during the draining process.
f Drain the appliance via its connectors.
f
14.2 Opening the appliance
f Pull off the temperature selector and the limiting ring.
f
f Remove the screws from underneath the temperature
f
selector.
f Open the appliance cover by lowering the bolt screws in-
f
wards and pivot the cover upwards, then remove it.
SN 10 SLi | SN 10 SL GB | SN 15 SL 3.3 kW
f Undo the tie (anti-tip protection).
f
14.3 Descaling the appliance
Material losses
!
Never treat the cylinder surface with descaling agents.
f Remove the flanged immersion heater.
f
f Carefully tap the heating element to remove large limescale
f
deposits.
f Immerse the heating element up to the flange plate in desca-
f
ling agent.
14.4 Checking the earth conductor
f Pull off the temperature selector and the limiting ring.
f
f Check the earth conductor (in Germany DGUV3 for example)
f
across a temperature controller fixing screw and the earth
conductor contact of the power cable.
www.stiebel-eltron.com
14.5 Replacing the power cable
The power cable must only be replaced by a qualified contractor
with an original spare part. As an option, you can also use the
following cables:
2 kW appliance
- H05VV-F3x1.0
3.3 kW appliance
- H05VV-F3x1.5
f Route the power cable along the cable guide.
f
14.6 Positioning the temperature sensor in its
protective pipe
SN 5 SLi | SN 5 SL GB
f When replacing the temperature controller, guide the tem-
f
perature sensor into its protective pipe.
f Secure the temperature sensor in place below the earthed
f
plug.
L1
Temperature controller
SN 5 SLi
SN 5 SL GB
SN 10 SLi | SN 10 SL GB
f When replacing the temperature controller and the high limit
f
safety cut-out, guide the temperature sensors into the pro-
tective pipe.
L1
Temperature controller
L2
High limit safety cut-out
SN 10 SLi
SN 10 SL GB
L1
L2
L1
L1
260
260
SN 5 | SN 10 | SN 15 |
L1
200
200
L2
130
130
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